Rep. Alexandria Ocasio-Cortez was none too pleased with the Teamsters' non-endorsement and expressed her dissatisfaction with the leadership of Sean O'Brien, the union's president. Advertisement"When the Teamsters are in trouble, who do they call when we need to make sure that Teamsters pensions are bailed out? Ocasio-Cortez's remarks reveal just how much unions will matter in this election — especially with organizing and turnout efforts. Vice President Kamala Harris has rallied hard for union support since she launched her presidential campaign. AdvertisementThe tug of war for union support reflects the high stakes for both candidates, particularly in the Upper Midwest, where organized labor has long been a robust political force.

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